A randomized 25 question test from a pool of 761 questions, good luck!
Which of the Hart access methods below can be best described as one that field devices must be instructed by a controller module to preform any action?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to read the input status of coils on a slave device ?
IPv4 network classes can also be defined by the IP address they use. Which of the answers corresponds best to the address in row "A"?
Which answer below is best described as the RS-232 standard for voltage range to receive a "Mark"?
In a DCS, there is a controller scan cycle priority that should have enough time to execute all tasks. Which of the answers below represents the about of free time for a loaded DCS controller to function?
In the unbalanced signal transmission system, which answer best represents the number 6?
Which of the terms below best describes the effect of light arriving at different times at a receiver in a fiber optic transmission?
There are numerous function block modes which are permitted. Which of the modes below is best described as the mode the function block is currently in?
In the unbalanced signal transmission system, which answer best represents the number 4?
DCS commonly is considered a computerised control system for a plant that has central operator supervisory control. Which of the terms below is best described as controllers and operator stations that are separated physically from the central control system?
Which of the lengths below relates best to a spur cable with 1 field device connected?
Which of the solutions below is best used with analog transmissions in the field to help prevent errors in transmissions?
SCADA systems are specialized utilizations of a process control systems. Which of the terms below can be best defined as manipulation and communication of a process though a control system?
Modbus to Ethernet/IP is the best example of which of the following converters?
Which of the networks below is best used by foundation field bus for the controller communication level?
Digital signals are, either specific or transitory, voltage levels represent states of logic. Which of the signal encoding methods below uses voltage transitions to represent logic states?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that converts 8 or 16 inputs to a digital signal?
Which of the antenna below can be best described as "omnidirectional"?
Which of the network components below would commonly be used as a protocol converter and communication signal converter?
Modbus protocol can implement data encapsulation over IP based networks. Which of the statements below is an disadvantage of using encapsulation?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to write the contents of a holding register to the slave device
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that can have 8, 16, or 32 inputs powered by 24Vdc, or 120Vac??
There are several layer within the a typical DCS., each with it's own responsibilities. Which of the levels below is responsible for the seamless merging of process control information and managing the business side of production?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to request the coils ON/OFF status of inputs # 10197 to 10218 from a slave device?
There are several layer within the a typical DCS., each with it's own responsibilities. Which of the levels below is responsible for the connection to the control system performed?